Amy Joi O’Donoghue, Deseret News
SALT LAKE CITY — New building codes approved by state lawmakers this past session put Utah among only 10 states in the country where energy ratings may be offered for would-be homebuyers.
The Home Energy Rating System, or HERS Index, gives a numerical score to homes for energy efficiency based on multiple construction factors such as exterior walls, ceilings, roofs, heating and cooling systems, and windows and doors.
The lower the score the better, but the U.S. Department of Energy said the typical resale home on the market today lands at about 130, while an average new home scores at 100.
A home with a score of 70, for example, is 30 percent more energy efficient than a typical new home built today, according to the federal agency.
“An energy-efficient home will save homeowners money every month,” said Kevin Emerson of Utah Clean Energy. “That’s why we advocated at the Utah Legislature for the new energy rating index to become part of Utah’s updated energy code; now buyers will know what kind of energy use to expect, like considering the fuel economy label on a new car.” (…)
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